A specially designed pillow that provides enhanced support to a head, neck and shoulder area of a person using such pillow. The composition comprises repeat units derived from a carbonyl compound, a monomer, and phosphorochloridite; phosphorus trichloride, a polyhydric alcohol, and an aromatic diol; or combinations of and in which the monomer can be a polyhydric alcohol, an amine, combinations thereof. The heater adjusts the resistance of the resistor in response to the tuner.